Final answer:
Hepatitis D (HDV) infects individuals already infected with another hepatitis virus, particularly Hepatitis B (HBV), through various means. No vaccine is available for hepatitis D.
Explanation:
Hepatitis D (HDV) can only infect an individual who is already infected with another hepatitis virus, specifically Hepatitis B (HBV). HDV is transmitted through bodily fluids, sexual activity, childbirth, needle-sharing, and shared items such as toothbrushes. Unlike other forms of hepatitis, there is currently no vaccine for hepatitis D.
Learn more about Hepatitis D transmission and infection here:
https://brainly.com/question/39405291
